Home / 999,757,159.60-1,499,346,136.32-300,221,065.12

Finding the Fourth Proportional to 999,757,159.60, 1,499,346,136.32 and 300,221,065.12

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Solution

The fourth proportional to 999,757,159.60, 1,499,346,136.32 and 300,221,065.12 is: 450,244,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,757,159.60 : 1,499,346,136.32 = 300,221,065.12 : x
  2. Step 2: Convert to fraction form
    999,757,159.60/1,499,346,136.32 = 300,221,065.12/x
  3. Step 3: Cross multiply
    999,757,159.60x = 1,499,346,136.32 × 300,221,065.12
  4. Step 4: Simplify right side
    999,757,159.60x = 450,135,294,029,547,136
  5. Step 5: Solve for x
    x = 450,135,294,029,547,136/999,757,159.60
  6. Step 6: Final answer
    x = 450,244,631.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.